21,846 repositories keep their own agent configuration in the open: a CLAUDE.md, a rules file, instructions for Copilot, a skill the project runs on itself. These are not mods to install. They are worth reading for what they reveal — what a maintainer thinks an agent gets wrong.
Building agents7,412Data and AI4,299Backend and APIs3,694Languages3,682Planning3,492Git and workflow3,285Code review2,942Memory and context2,581Research2,499Writing and docs2,458Testing2,454Frontend2,420DevOps and cloud2,410Security2,106Productivity2,076Project management1,686
All Claude Code31,991 Codex23,077 OpenCode21,846 GitHub Copilot3,491 Gemini CLI1,901 Cursor1,721 Kiro33 Windsurf25
| Project | Stars | Configures | Files | Always loaded |
|---|---|---|---|---|
| activepieces/activepieces activepieces.com AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automati | 24,286 | Claude Code, Codex, OpenCode | 22 | 9,534 tok |
| modelcontextprotocol/python-sdk py.sdk.modelcontextprotocol.io The official Python SDK for Model Context Protocol servers and clients | 24,211 | Claude Code, Codex, OpenCode | 4 | 2,212 tok |
| tursodatabase/turso A SQL database in Rust: SQLite-compatible, now also speaking Postgres (experimental). The | 24,185 | Claude Code, Codex, OpenCode | 15 | 2,197 tok |
| agentsmd/agents.md agents.md AGENTS.md — a simple, open format for guiding coding agents | 24,161 | Codex, OpenCode | 1 | 441 tok |
| browserbase/stagehand stagehand.dev The SDK For Browser Agents | 24,152 | Codex, OpenCode | 1 | 160 tok |
| nocobase/nocobase nocobase.com NocoBase is an open-source AI + no-code platform for building business systems fast. Inste | 24,051 | Claude Code, Codex, OpenCode | 2 | 1,116 tok |
| processing/p5.js p5js.org p5.js is a client-side JS platform that empowers artists, designers, students, and anyone | 23,951 | Codex, OpenCode | 1 | 4,651 tok |
| SuperClaude-Org/SuperClaude_Framework superclaude.netlify.app A configuration framework that enhances Claude Code with specialized commands, cognitive p | 23,871 | Claude Code, Codex, OpenCode | 4 | 3,795 tok |
| facebook/lexical lexical.dev Lexical is an extensible text editor framework that provides excellent reliability, access | 23,832 | Claude Code, Codex, OpenCode | 3 | 4,620 tok |
| kriasoft/react-starter-kit reactstarter.com Modern React starter kit with Bun, TypeScript, Tailwind CSS, tRPC, Stripe, and Cloudflare | 23,675 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 1,405 tok |
| slopus/happy happy.engineering Mobile and Web client for Codex and Claude Code, with realtime voice, encryption and fully | 23,655 | Claude Code, Codex, OpenCode | 12 | 82 tok |
| JanDeDobbeleer/oh-my-posh ohmyposh.dev The most customisable and low-latency cross platform/shell prompt renderer | 23,423 | Codex, GitHub Copilot, OpenCode | 5 | 2,155 tok |
| coleam00/Archon archon.diy The first open-source harness builder for AI coding. Make AI coding deterministic and repe | 23,389 | Claude Code, Codex, OpenCode | 45 | 3,438 tok |
| different-ai/openwork openworklabs.com The open-source alternative to Claude Cowork (powered by opencode) | 23,354 | Claude Code, Codex, OpenCode | 20 | 1,151 tok |
| micro/go-micro go-micro.dev A Go agent harness and service framework | 23,059 | Claude Code, Codex, OpenCode | 2 | 2,557 tok |
| 2025Emma/vibe-coding-cn | 22,942 | Codex, OpenCode | 1 | 3,650 tok |
| Skyvern-AI/skyvern skyvern.com Automate browser based workflows with AI | 22,936 | Claude Code, Codex, OpenCode | 3 | 1,555 tok |
| czlonkowski/n8n-mcp n8n-mcp.com A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you | 22,842 | Claude Code, Codex, OpenCode | 10 | 2,869 tok |
| forem/forem forem.com For empowering community 🌱 | 22,774 | Claude Code, Codex, GitHub Copilot, Cursor, OpenCode | 4 | 3,983 tok |
| vectorize-io/hindsight hindsight.vectorize.io Hindsight: Agent Memory That Learns | 22,705 | Claude Code, Codex, OpenCode | 4 | 4,883 tok |
| marimo-team/marimo marimo.io A reactive notebook for Python — run reproducible experiments, query with SQL, execute as | 22,662 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 740 tok |
| oxc-project/oxc oxc.rs ⚓ A collection of high-performance JavaScript tools. | 22,650 | Claude Code, Codex, GitHub Copilot, OpenCode | 3 | 3,367 tok |
| NVIDIA/NemoClaw docs.nvidia.com Run agents like Hermes, LangChain Deep Agents, and OpenClaw more securely inside NVIDIA Op | 22,378 | Claude Code, Codex, OpenCode | 31 | 4,217 tok |
| claude-code-best/claude-code ccb.agent-aura.top A genuine Claude Code-compatible, buildable, and debuggable version; production-grade engi | 22,377 | Claude Code, Codex, OpenCode | 5 | 14,205 tok |
| trycua/cua cua.ai Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for train | 22,244 | Claude Code, Codex, OpenCode | 3 | 2,177 tok |
| magicuidesign/magicui magicui.design UI Library for Design Engineers. Animated components and effects you can copy and paste in | 22,181 | Codex, OpenCode | 1 | 3,445 tok |
| alibaba/open-code-review open-codereview.ai Fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: d | 21,963 | Claude Code, Codex, OpenCode | 2 | 790 tok |
| pascalorg/editor editor.pascal.app Create and share 3D architectural projects. | 21,883 | Claude Code, Codex, GitHub Copilot, Gemini CLI, OpenCode | 8 | 888 tok |
| comet-ml/opik comet.com Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows wit | 21,822 | Claude Code, Codex, GitHub Copilot, OpenCode | 29 | 14,869 tok |
| pingdotgg/t3code t3.codes | 21,789 | Claude Code, Codex, OpenCode | 6 | 3,461 tok |
| snarktank/ralph x.com Ralph is an autonomous AI agent loop that runs repeatedly until all PRD items are complete | 21,716 | Claude Code, Codex, OpenCode | 2 | 1,238 tok |
| gitbutlerapp/gitbutler gitbutler.com The GitButler version control client, backed by Git, powered by Tauri/Rust/Svelte | 21,621 | Claude Code, Codex, GitHub Copilot, OpenCode | 6 | 2,928 tok |
| ColorlibHQ/gentelella gentelella.colorlib.com Free admin dashboard template — vanilla JS, SCSS, Vite 8. No Bootstrap, no jQuery. | 21,506 | Claude Code, Codex, GitHub Copilot, OpenCode | 4 | 8,085 tok |
| screenpipe/screenpipe screenpipe.com YC (S26) | Open Computer History | Record your screen continuously locally and provide con | 21,430 | Claude Code, Codex, OpenCode | 9 | 1,318 tok |
| google/adk-python google.github.io An open-source, code-first Python toolkit for building, evaluating, and deploying sophisti | 21,421 | Codex, OpenCode | 1 | 322 tok |
| dyad-sh/dyad dyad.sh Local, open-source AI app builder for power users ✨ v0 / Lovable / Replit / Bolt alternati | 21,387 | Claude Code, Codex, GitHub Copilot, OpenCode | 29 | 4,293 tok |
| steipete/CodexBar codex.bar Show usage stats for OpenAI Codex and Claude Code, without having to login. | 20,984 | Claude Code, Codex, OpenCode | 5 | 1,512 tok |
| apache/shardingsphere Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security | 20,793 | Claude Code, Codex, OpenCode | 8 | 4,969 tok |
| agarrharr/awesome-cli-apps 🖥 📊 🕹 🛠 A curated list of command line apps | 20,332 | Codex, OpenCode | 1 | 45 tok |
| kortix-ai/suna kortix.com The open-source AI Management System | 20,176 | Claude Code, Codex, OpenCode | 21 | 7,224 tok |
| pydantic/pydantic-ai pydantic.dev How Python does AI. Agents, realtime voice, image generation, embeddings. Every model, eve | 19,741 | Claude Code, Codex, OpenCode | 12 | 3,621 tok |
| refactoringhq/tolaria tolaria.md Desktop app to manage markdown knowledge bases | 19,704 | Claude Code, Codex, Gemini CLI, OpenCode | 6 | 5,624 tok |
| datawhalechina/easy-vibe datawhalechina.github.io 💻 vibe coding 101｜The first course for AI-native product builders. | 19,285 | Claude Code, Codex, OpenCode | 2 | 3,438 tok |
| elizaOS/eliza elizaresearch.ai Open source agentic operating system | 19,261 | Claude Code, Codex, OpenCode | 2 | 11,794 tok |
| 1jehuang/jcode jcode.sh The most RAM efficient harness | 19,182 | Codex, OpenCode | 1 | 633 tok |
| teng-lin/notebooklm-py Unofficial Python API and agentic skill for Google Gemini Notebook. Full programmatic acce | 19,173 | Claude Code, Codex, OpenCode | 2 | 2,673 tok |
| debpalash/VoiceStudio voicestudio.sh VoiceStudio is the open-source, fully-local ElevenLabs alternative — voice cloning, voice | 19,104 | Claude Code, Codex, OpenCode | 6 | 5,369 tok |
| agent0ai/agent-zero agent-zero.ai Agent Zero AI framework | 19,100 | Codex, OpenCode | 1 | 1,325 tok |
| compiler-explorer/compiler-explorer godbolt.org Run compilers interactively from your web browser and interact with the assembly | 19,047 | Claude Code, Codex, GitHub Copilot, OpenCode | 9 | 2,482 tok |
| wasp-lang/wasp wasp.sh The batteries-included full-stack framework for the AI era. Develop JS/TS web apps (React, | 18,724 | Claude Code, Codex, OpenCode | 4 | 1,185 tok |